1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
18 #include <sys/types.h>
19 #include <sys/event.h>
21 #include "socketengine_kqueue.h"
24 KQueueEngine::KQueueEngine(InspIRCd* Instance) : SocketEngine(Instance)
26 EngineHandle = kqueue();
27 if (EngineHandle == -1)
29 ServerInstance->Log(SPARSE,"ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
30 ServerInstance->Log(SPARSE,"ERROR: this is a fatal error, exiting now.");
31 printf("ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
32 printf("ERROR: this is a fatal error, exiting now.");
33 InspIRCd::Exit(ERROR);
38 KQueueEngine::~KQueueEngine()
40 ServerInstance->Log(DEBUG,"KQueueEngine::~KQueueEngine()");
44 bool KQueueEngine::AddFd(EventHandler* eh)
48 ServerInstance->Log(DEFAULT,"KQueueEngine::AddFd(%d)",fd);
50 if ((fd < 0) || (fd > MAX_DESCRIPTORS))
52 ServerInstance->Log(DEFAULT,"ERROR: FD of %d added above max of %d",fd,MAX_DESCRIPTORS);
55 if (GetRemainingFds() <= 1)
57 ServerInstance->Log(DEFAULT,"ERROR: System out of file descriptors!");
63 ServerInstance->Log(DEFAULT,"ERROR: Slot already occupied");
68 ServerInstance->Log(DEBUG,"Add socket %d",fd);
71 ServerInstance->Log(DEBUG,"kqueue: Add socket to events, kq=%d socket=%d",EngineHandle,fd);
72 EV_SET(&ke, fd, eh->Readable() ? EVFILT_READ : EVFILT_WRITE, EV_ADD, 0, 0, NULL);
74 int i = kevent(EngineHandle, &ke, 1, 0, 0, NULL);
77 ServerInstance->Log(DEBUG,"kqueue: List insertion failure!");
85 bool KQueueEngine::DelFd(EventHandler* eh)
89 ServerInstance->Log(DEBUG,"KQueueEngine::DelFd(%d)",fd);
91 if ((fd < 0) || (fd > MAX_DESCRIPTORS))
95 EV_SET(&ke, fd, eh->Readable() ? EVFILT_READ : EVFILT_WRITE, EV_DELETE, 0, 0, NULL);
97 int i = kevent(EngineHandle, &ke, 1, 0, 0, NULL);
100 ServerInstance->Log(DEBUG,"kqueue: Failed to remove socket from queue: %s",strerror(errno));
110 int KQueueEngine::GetMaxFds()
112 return MAX_DESCRIPTORS;
115 int KQueueEngine::GetRemainingFds()
117 return MAX_DESCRIPTORS - CurrentSetSize;
120 int KQueueEngine::DispatchEvents()
124 int i = kevent(EngineHandle, NULL, 0, &ke_list[0], MAX_DESCRIPTORS, &ts);
125 for (int j = 0; j < i; j++)
127 ServerInstance->Log(DEBUG,"Handle %s event on fd %d",ref[ke_list[j].ident]->Readable() ? "read" : "write", ref[ke_list[j].ident]->GetFd());
128 ref[ke_list[j].ident]->HandleEvent(ref[ke_list[j].ident]->Readable() ? EVENT_READ : EVENT_WRITE);
134 std::string KQueueEngine::GetName()